All of those have distinctly different effects and, in the case of ADHD, all work subpar with worse side effects. The reason why people get so fucked up on meth

All of those have distinctly different effects and, in the case of ADHD, all work subpar with worse side effects. The reason why people get so fucked up on meth is BECAUSE it's so safe that you can smoke half a gram w/o a problem. Also, meth is the easiest to manufacture out of all of the above. Will give you that meth is the most addictive.